<template>
	<view class="pics">
		<scroll-view class="left" scroll-y="true">
			<view 
				@click="leftClickHandle(index,item.id)"
				:class="active===index?'active':''" 
				v-for="(item,index) in cates" 
				:key="item.id">
				{{item.title}}
			</view>
			
		</scroll-view>
		<scroll-view class="right" scroll-y="true">
			
			<view class="item" v-for="item in secondData" :key="item.id">
				<image @click="previewImg(item.img_url)" :src="item.img_url"></image>
				<text>{{item.title}}</text>
			</view>
			<text v-if="secondData.length===0">暂无数据</text>
			
		</scroll-view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				cates:[],
				active:0,
				secondData:[]
			}
		},
		methods: {
			async getPicsData(){
				const res=await this.$myRequest({
					url:'/api/getimgcategory'
				})
				console.log(res)
				this.cates=res.data.message
				this.leftClickHandle(0,this.cates[0].id)
			},
			async leftClickHandle(index,id){
				this.active=index
				//获取右侧数据
				const res=await this.$myRequest({
					url:'/api/getimages/'+id
				})
				console.log(res)
				this.secondData=res.data.message
				
			},
			previewImg(current){
				
				const urls=this.secondData.map(item=>{
					return item.img_url
				})
				
				uni.previewImage({
					urls,
					current
				})
			}
		},
		onLoad() {
			this.getPicsData()
		}
	}
</script>

<style lang="scss">
	page{
		height: 100%;
	}
	.pics{
		height: 100%;
		display: flex;
		.left{
			width: 200rpx;
			height: 100%;
			border-right: 1px solid #eee;
			view{
				height: 60px;
				line-height: 60px;
				text-align: center;
				font-size: 30rpx;
				color: #333;
				border-top: 1px solid #eee;
				
			}
			.active{
				background: $shop-color;
				color: #fff;
			}
			
		}
		.right{
			height: 100%;
			width: 520rpx;
			margin: 10rpx auto;
			.item{
				image{
					width: 520rpx;
					height: 420rpx;
					border-radius: 5rpx;
				}
				text{
					font-size: 30rpx;
					line-height: 60rpx;
				}
			}
		}
	}

</style>
